Material: combed cotton
Reference size: elastic products, the error range is 1~2cm is normal
S (1-3 years old) recommended foot length 12-15cm
M (3-5 years old) recommended foot length 15-17cm
L (6-8 years old) recommended foot length 17-20cm
XL (9-12 years old) recommended foot length 20-23cm
Packing: 5 pairs of boutique bags, one dozen (package)